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Properties of substance:

arsenic(III) fluoride

Group of substances:

inorganic

Physical appearance:

colorless liquid

Empirical formula (Hill's system for organic substances):

AsF3

Structural formula as text:

AsF3

Molar/atomic mass: 131.917

Melting point (°C):

-6

Boiling point (°C):

62.8

Solubility (g/100 g of solvent):

benzene: soluble [Ref.]
diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]
hydrogen fluoride : soluble [Ref.]
water: reaction [Ref.]

Numerical data:

LCt50 (mg·min/l): 7

Density:

2.666 (0°C, g/cm3)

    Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

    -957 (l)

    Standard molar entropy S0 (298.15 K, J/(mol·K)):

    181.2 (l)

    Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

    126.4 (l)

    Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

    10.4

    Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

    33.5

    Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

    -921 (g)

    Standard molar entropy S0 (298.15 K, J/(mol·K)):

    288.9 (g)

    Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

    64.6 (g)

    References:

    1. Dean J.A. Lange's handbook of chemistry. - 1999. - pp. 3.17
    2. Patnaik P. Handbook of inorganic chemicals. - McGraw-Hill, 2003. - pp. 69-70
    3. Гринвуд Н., Эрншо А. Химия элементов. - Т.1. - М.: БИНОМ. Лаборатория знаний, 2008. - pp. 522 [Russian]
    4. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 162-163 [Russian]
    5. Фтор и его соединения. – Под ред. Саймонса Дж., Т. 1. - М.: ИИЛ, 1953. - pp. 92-93 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru